MongoNodeJs

var MongoClient = require('mongodb').MongoClient;
var url = "mongodb://localhost:27017/";

MongoClient.connect(url, function(err, db) {
  if (err) throw err;

  var dbo = db.db("mydb");

// ----------Insert Records------------
  dbo.collection("customers").deleteMany({});
  for (let i = 0; i <1000; i++) {

    var myobj = { _id:"VINNUMBERMONDB"+i,name: "Company Inc2 - "+i, address: "Highway 37"+i };
    
    dbo.collection("customers").insertOne(myobj, function(err, res) {
        if (err) throw err;
        console.log(i+" document inserted");
    });

  }
  
  //-----OpLogs--------
//   db.oplog.rs.find({ns: {$ne: ''}}).sort({ts: -1})




    
});